WO2002022552A1 - Tensioactifs amphoteres solides - Google Patents

Tensioactifs amphoteres solides Download PDF

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Publication number
WO2002022552A1
WO2002022552A1 PCT/EP2001/010403 EP0110403W WO0222552A1 WO 2002022552 A1 WO2002022552 A1 WO 2002022552A1 EP 0110403 W EP0110403 W EP 0110403W WO 0222552 A1 WO0222552 A1 WO 0222552A1
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WO
WIPO (PCT)
Prior art keywords
product
product according
weight
less
surfactant
Prior art date
Application number
PCT/EP2001/010403
Other languages
English (en)
Inventor
Hendrick Petrus Frick
Stuart William Jackson
Ajit Kumar
Viral Bobby Patel
Original Assignee
Huntsman International Llc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from GB0022765A external-priority patent/GB0022765D0/en
Priority claimed from GB0119292A external-priority patent/GB0119292D0/en
Priority to KR10-2003-7003792A priority Critical patent/KR20030059142A/ko
Priority to EP01984637A priority patent/EP1335896A1/fr
Priority to MXPA03002197A priority patent/MXPA03002197A/es
Priority to AU2002218165A priority patent/AU2002218165A1/en
Application filed by Huntsman International Llc filed Critical Huntsman International Llc
Priority to US10/380,574 priority patent/US20040029766A1/en
Priority to HU0302088A priority patent/HUP0302088A3/hu
Priority to CA002422332A priority patent/CA2422332A1/fr
Priority to EA200300378A priority patent/EA004124B1/ru
Priority to JP2002526753A priority patent/JP2004509180A/ja
Priority to PL36235101A priority patent/PL362351A1/xx
Publication of WO2002022552A1 publication Critical patent/WO2002022552A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
    • C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
    • C07C229/04—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
    • C07C229/06—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/90—Betaines
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/88—Ampholytes; Electroneutral compounds
    • C11D1/92—Sulfobetaines ; Sulfitobetaines

Definitions

  • the present invention relates to solid surfactants and in particular to solid amphoteric surfactants and to methods for their preparation.
  • amphoteric surfactant is used herein in the usual sense in which it is employed in the surfactant industry i.e. including zwitterionic surfactants such as quaternary betaines, even though the latter are not strictly speaking amphoteric.
  • Aqueous amphoteric surfactants are usually only pourable at relatively low concentrations, e.g. up to about 30% to 45% by wt. depending on the alkyl chain distribution.
  • the formation of immobile or very highly viscous mesophases prevents them being produced and used at higher concentrations, except by using organic solvents, which are undesirable on grounds of cost, fire hazard, environmental impact and possible adverse effects on any formulation in which the surfactant may be incorporated.
  • surfactants are preferably supplied as spray or drum dried solids which are substantially anhydrous.
  • freeze drying may be used.
  • Amphoteric surfactants are not usually heat sensitive and can be dried conventionally, but nevertheless cannot be supplied as solids, in practice, because they are too hygroscopic. They are generally deliquescent, the powder absorbing sufficient moisture to form a highly viscous intractable M-phase giving rise to serious handling problems and precluding their use in dry formulations.
  • amphoteric surfactants commercially are the betaines on account of their mildness, cleaning power and foaming characteristics. They are widely used in personal care and detergent formulations. They are usually made by reacting amines with sodium chloroacetate. The reaction results in a product containing at least a stoichiometric amount of sodium chloride, which is an unavoidable by-product of the reaction, and is usually about 20% based on the weight of active matter. It is also possible to carry out the reaction using potassium or ammonium in place of sodium, but the additional cost is a substantial commercial disadvantage. The product is normally supplied as a solution containing about 35% surfactant and 7% of salt based on the weight of the solution.
  • Sulpho-betaines are analogous to betaines, being formed by reacting the same amines with epichlorohydrin and sodium bisulphite, instead of sodium chloroacetate.
  • the sulphono methylated products behave similarly to betaines, and the description herein relating to betaines generally applies to sulphobetaines and also to phosphobetaines.
  • Salt may be removed from amphoteric surfactants, either during or after preparation, for example by electrodiaylsis (e.g. as described in our GB 1 525 692 or in EP 0 736 521 patents), by membrane filtration (for example as described is EP 0 626 881) or, less preferably, by displacing metal ion e.g. using ion exchange or by solvent precipitation.
  • electrodiaylsis e.g. as described in our GB 1 525 692 or in EP 0 736 521 patents
  • membrane filtration for example as described is EP 0 626 881
  • salt as used herein includes all alkali metal chlorides and ammonium chloride. Typically the salt is sodium chloride, or more rarely potassium or ammonium chloride formed as a by-product of the quaternisation of the amine with chloroacetate.
  • CAPB coconut amido propyl betaine
  • R represents a mixture of alkyl chain lengths corresponding on average to those present in unrefined coconut or palm oil fatty acids.
  • coconut fatty acids typically contain a mixture of fatty acids having 8, 10, 12, 14, 16 and 18 carbon atoms in which lauric acid (Cn) is the main component.
  • CAPB is often used broadly to include amido propyl betaines obtained from other fatty acid feedstocks having the same or similar distribution to coconut fatty acid.
  • Coconut fatty acids are usually hardened by hydrogenating at least part of the unsaturated components, and in addition may be "cut” by removing the Cs-io fatty acids. They may be further refined to remove the C ⁇ 4 . ⁇ 8 fatty acids to leave substantially pure (i.e. greater than 90%) lauric acid.
  • Laura acid amido propyl betaine is referred to herein as LAPB.
  • betaines can be obtained, at higher concentrations than normal as clear, mobile, optically isotropic micellar solutions at ambient temperatures by reducing the salt content.
  • betaines have an undesirably high set point.
  • the phenomenon is most marked with uncut CAPB which can be obtained at concentrations of up to about 45% when desalted.
  • uncut CAPB cannot be dried to a stable non- hygroscopic solid.
  • LAPB cannot be concentrated to the same levels as uncut CAPB.
  • desalted amphoteric surfactants which are the carboxyalkylated, sulphonoalkylated or phosphonoalkylated derivatives of an amine which consists, essentially of a single homologue and which has an aliphatic substituent with a total of more than 13 carbon atoms, such as desalted LAPB, can be dried to a water content of from 1 to 12.5% by weight.
  • This composition can be obtained as a stable, non-hygroscopic, free-flowing powder, provided that the drying is affected at a temperature below the softening point of the product. This is appreciably lower than the normal temperature at which amphoterics have conventionally been dried.
  • the minimum proportion of the predominant homologue required may depend on the molecular weight of the surfactant.
  • LAPB it is necessary to have more than 90% lauryl amidopropyl betaine in order to obtain a non-hygroscopic product.
  • Our invention provides a non-deliquescent solid amphoteric surfactant product which is a carboxyalkyl, sulphonoalkyl or phosphonoalkyl derivative of an amine consisting essentially of a single homologue and having an aliphatic substituent with more than 13 carbon atoms, and the said solid containing less than 10% by weight of salt and from 1 to 12.5% by weight of water.
  • the product consists essentially of said surfactant, water and any residual salt.
  • the surfactant constitutes more than 80%, preferably more than 85% e.g. more than 90% by weight of the product.
  • the amine from which the surfactant is derived has one aliphatic substituent with more than 13 carbon atoms which is a long chain, hydrophobic substituent wherein the chain is formed of carbon and hydrogen atoms, optionally with one or more nitrogen and/or oxygen atoms and/or, less commonly, one or more sulphur and/or phosphorus atoms.
  • the expression "long chain” means having more than 10 atoms and preferably more than 12 atoms, in a linear arrangement (excluding hydrogen atoms or any atoms in side chains).
  • the amine may also have up to two short chain aliphatic substituents each having less than five carbon atoms in total.
  • the short chains are typically methyl, ethyl, hydroxyethyl, propyl or butyl groups
  • the long chains are typically lauryl amido propyl, tetradecyl amido propyl, tetradecyl, palmityl amido propyl, palmityl, stearyl amido propyl, stearyl or less preferably oleyl amido propyl, oleyl or erucyl amido propyl or erucyl.
  • the chain may optionally include one or more ether, ester or keto groups, e.g. polyoxypropylene.
  • our invention provides a method for making a solid betaine from a solution obtained by reacting a tertiary amine or amido amine having an aliphatic substituent containing more than thirteen carbon atoms and consisting at least predominantly of a single homologue, with an alkali metal chloroacetate in aqueous solution, and reducing the salt content of the solution to less than 10% by weight based on the weight of betaine, which method comprises lowering the water content of said solution below 12.5% at a temperature below the softening point of the product.
  • the above process may be carried out using epichlorohydrin and sodium bisulphite in the first step instead of sodium chloroacetate to form a sulphobetaine.
  • the products of our invention are substantially non-hygroscopic. By this is meant that they form a solid having an equilibrium water content below 12% at 40°C in an atmosphere having 65% humidity.
  • R is the aliphatic group containing more than 13 carbon atoms
  • R 1 and R n are each, independently, hydrogen or an ethyl, hydroxyethyl or most preferably a methyl group
  • m is 1 or 2
  • X is a phosphono, sulphono, or, preferably, carboxy group
  • n is 0 or, preferably, 1.
  • R preferably has from 14 to 25 carbon atoms and is desirably a straight chain alkyl or alkyl amido alkylene group, especially a group of the formula CH 3 (CH 2 ) a CONH(CH 2 )b where (a+b) is from 12 to 23 and b is preferably 2 or most preferably 3.
  • amphoteric surfactants wherein the longest chain aliphatic substituent contains less than 14 carbon atoms do not form non-hygroscopic products when free from other homologues, even when desalted.
  • Products derived from unsaturated feedstocks, or from synthetic feedstocks, which are usually branched chain, and/or which may comprise an odd number of carbon atoms, or products with hydroxyl groups, such as alkyl (bis 2-hydroxyethyl) betaines may require an aliphatic substituent with a higher minimum number of carbon atoms e.g. more than 14 or in some cases more than 15 or even 16 carbon atoms to form a fully free flowing powder product depending on the extent of branching, number of double bonds and/or number of hydroxyl groups.
  • the salt content of the dried product is less than 9% by weight, more preferably less than 8%, typically less than 7%, more typically less than 6%, most typically less than 4.5% especially less than 3%, more especially less than 2%, most especially less than 1, e.g. less than 0.5%.
  • the compositions are particularly sensitive to sodium chloride.
  • the total level of inorganic salt is less than 10%, more preferably less than 9% especially less than 5% most preferably less than 3%.
  • Salt may be removed from the aqueous feed by any convenient method such as membrane filtration or electrodialysis. Typically a 25 to 34% aqueous solution is desalted to a salt concentration relative to the surfactant concentration in the aqueous feed equivalent to the desired final ratio of salt to surfactant in the solid product.
  • products shall be deemed to consist essentially of a single homologue if that homologue is present in a concentration of more than 80% by weight of the total surfactant and sufficient, in the absence of salt, to form a non- deliquescent solid.
  • the amine has more than 88% more preferably more than 90%, most preferably more than 94%, typically more than 95%, more typically more than 96%, most typically more than 97%, by weight consisting of a single homologue.
  • the minimum proportion of the single homologue may be lower for higher molecular weight products. For commercial reasons it is not usually practicable to achieve purity greater than 99.5% and in practice the purity is usually less than 99% e.g. less than 98.5%. Most typically the amine is from 96 to 98% pure.
  • the amine is preferably a tertiary amine and most preferably laurylamidopropyl dimethylamine.
  • the amine may, for example, be tetradecyl dimethylamine, palmityl dimethylamine, stearoyl dimethylamine, tetradecyl amidopropyl dimethylamine, palmitylamidopropyl dimethylamine, stearoylamidopropyl dimethylamine, oleyl dimethylamine or oleylamidopropyl dimethylamine.
  • the water content of the amphoteric surfactant is preferably reduced to a value of from 2.5 to 12% more preferably 3 to 10% especially 4 to 8% e.g. 5 to 7%. Drying may, for example, be effected by the application of reduced pressure, e.g. by vacuum or freeze drying.
  • the invention includes mixtures of dried homologues so prepared.
  • Drying is preferably effected below the softening temperature of the product, which is typically around 50 or 70°C, e.g. below 60°C, preferably below 50°C.
  • the products of our invention form stable, crystalline, stoichiometric hydrates which soften at elevated temperatures due to loss of water of crystalisation. They are sticky and difficult to recover if dried above this temperature.
  • foaming bath salts e.g. in formulations based on sodium lauryl sulphate and sodium sesquicarbonate, and/or talc
  • foaming bath bombs e.g. in formulations based on sodium lauryl sulphate, sodium bicarbonate and citric acid
  • Syndet bars e.g. when formulated with sodium coconut isethionate to increase lather and mildness
  • combars e.g. with soap to increase lather and detoxification of soap
  • WC blocks hard surface cleaner concentrates
  • metal and transport cleaning concentrates e.g.
  • non-ionics in acid, alkaline or solvent based formulations
  • dry air entrainment agents for concrete, mortar and plasterboard and in non-aqueous systems or oil emulsion based systems (such as single phase oil based bath and shower oil formulations).
  • the desalted feeds had a sodium chloride content of less than 0.5% by weight, while the undesalted aqueous feeds all contained more than 6% by weight sodium chloride.
  • the caprylic, capric, lauric, myristic and palmitic feedstock's had a purity of more than 96% of the single homologue.
  • the freeze dried products were ground to powders and placed in a humidity cabinet at 40°C and at 65% humidity for 30 hours.
  • LAPB laurylamidopropyl betaine
  • Feedstock with 98% lauric acid were incrementally mixed with various amounts of single homologue straight chain fatty acids to prepare amido propyl betaines which were desalted and freeze dried. Samples were ground to powder and exposed to high humidity as in Example I. Table 3 shows the effect of alkyl chain homogeneity on equilibrium moisture content and product properties.
  • BB solutions Sample of desalted and undesalted aqueous alkyl dimethyl amine betaines (hereon after referred to as BB) solutions, shown in Table 4, were vacuum dried.
  • the desalted feed solutions had a sodium chloride content of less than 1.0% by weight, while the undesalted aqueous feeds all contained more than 6% by weight sodium chloride.
  • the lauric, myristic an palmitic feedstock's had a purity of more than 95% of single homologue.
  • the freeze dried products were ground to powders and placed in a humidity cabinet at 40°C and 65% humidity for 30 hours. All undesalted BB's and the desalted BB based on the lauric feedstock deliquesced to form a sticky intractable gel.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Cosmetics (AREA)
  • Detergent Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

L'invention concerne un tensioactif amphotère dessalé, à base d'amine carboxyalkylée, sulphonoalkylée ou phosphonoalkylée, consistant essentiellement en un homologue unique à substituant aliphatique comportant plus de 13 atomes de carbone. Ce tensioactif est séché à basse température pour former un solide non hygroscopique.
PCT/EP2001/010403 2000-09-16 2001-09-10 Tensioactifs amphoteres solides WO2002022552A1 (fr)

Priority Applications (10)

Application Number Priority Date Filing Date Title
PL36235101A PL362351A1 (en) 2000-09-16 2001-09-10 Solid amphoteric surfactants
JP2002526753A JP2004509180A (ja) 2000-09-16 2001-09-10 固形両性界面活性剤
EP01984637A EP1335896A1 (fr) 2000-09-16 2001-09-10 Tensioactifs amphoteres solides
MXPA03002197A MXPA03002197A (es) 2000-09-16 2001-09-10 Agentes tensioactivos anfotericos solidos.
AU2002218165A AU2002218165A1 (en) 2000-09-16 2001-09-10 Solid amphoteric surfactants
KR10-2003-7003792A KR20030059142A (ko) 2000-09-16 2001-09-10 고형의 양쪽성 계면활성제
US10/380,574 US20040029766A1 (en) 2000-09-16 2001-09-10 Solid amphoteric surfactants
HU0302088A HUP0302088A3 (en) 2000-09-16 2001-09-10 Solid amphoteric surfactants
CA002422332A CA2422332A1 (fr) 2000-09-16 2001-09-10 Tensioactifs amphoteres solides
EA200300378A EA004124B1 (ru) 2000-09-16 2001-09-10 Твердые амфотерные поверхностно-активные вещества

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB0022765A GB0022765D0 (en) 2000-09-16 2000-09-16 Solid betaines
GB0022765.2 2000-09-16
GB0119292.1 2001-08-08
GB0119292A GB0119292D0 (en) 2001-08-08 2001-08-08 Solid amphoteric surfactants

Publications (1)

Publication Number Publication Date
WO2002022552A1 true WO2002022552A1 (fr) 2002-03-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/010403 WO2002022552A1 (fr) 2000-09-16 2001-09-10 Tensioactifs amphoteres solides

Country Status (13)

Country Link
US (1) US20040029766A1 (fr)
EP (1) EP1335896A1 (fr)
JP (1) JP2004509180A (fr)
KR (1) KR20030059142A (fr)
CN (1) CN1458920A (fr)
AR (1) AR030719A1 (fr)
AU (1) AU2002218165A1 (fr)
CA (1) CA2422332A1 (fr)
EA (1) EA004124B1 (fr)
HU (1) HUP0302088A3 (fr)
MX (1) MXPA03002197A (fr)
PL (1) PL362351A1 (fr)
WO (1) WO2002022552A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11214763B2 (en) 2018-01-26 2022-01-04 Ecolab Usa Inc. Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a carrier
US11377628B2 (en) 2018-01-26 2022-07-05 Ecolab Usa Inc. Solidifying liquid anionic surfactants
US11655436B2 (en) 2018-01-26 2023-05-23 Ecolab Usa Inc. Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a binder and optional carrier

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US8894726B2 (en) * 2012-06-13 2014-11-25 Afton Chemical Corporation Fuel additive for improved performance in fuel injected engines
US8974551B1 (en) * 2014-02-19 2015-03-10 Afton Chemical Corporation Fuel additive for improved performance in fuel injected engines
US9340742B1 (en) 2015-05-05 2016-05-17 Afton Chemical Corporation Fuel additive for improved injector performance
US11390821B2 (en) 2019-01-31 2022-07-19 Afton Chemical Corporation Fuel additive mixture providing rapid injector clean-up in high pressure gasoline engines
US11873461B1 (en) 2022-09-22 2024-01-16 Afton Chemical Corporation Extreme pressure additives with improved copper corrosion
US11795412B1 (en) 2023-03-03 2023-10-24 Afton Chemical Corporation Lubricating composition for industrial gear fluids

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5075498A (en) * 1991-02-08 1991-12-24 Ethyl Corporation Process for preparing solid betaines
US5326906A (en) * 1991-01-10 1994-07-05 Hoechst Aktiengesellschaft Process for the extractive removal of phospho- and sulfobetaines from acidic reaction solutions
EP0736521A1 (fr) * 1995-04-05 1996-10-09 Rhone-Poulenc Chimie Procédé de purification de tensio-actifs amphotères par électrodialyse
JPH0912521A (ja) * 1995-06-26 1997-01-14 Kao Corp 淡色化アミドアミノ酸又はベタインの製造法
WO1997012856A1 (fr) * 1995-09-29 1997-04-10 Henkel Kommanditgesellschaft Auf Aktien Procede de production de tensio-actifs betainiques a faible teneur en sel
EP1016650A1 (fr) * 1998-12-28 2000-07-05 Kao Corporation Procédé pour la préparation de mélanges d'esters alkyles de betaines

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3726322C1 (de) * 1987-08-07 1988-12-08 Goldschmidt Ag Th Verfahren zur Herstellung konzentrierter fliessfaehiger waessriger Loesungen von Betainen
US6080714A (en) * 1997-11-20 2000-06-27 Akzo Nobel Nv Solid composition comprising an amphoteric surfactant, a process for its preparation, and the use thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5326906A (en) * 1991-01-10 1994-07-05 Hoechst Aktiengesellschaft Process for the extractive removal of phospho- and sulfobetaines from acidic reaction solutions
US5075498A (en) * 1991-02-08 1991-12-24 Ethyl Corporation Process for preparing solid betaines
EP0736521A1 (fr) * 1995-04-05 1996-10-09 Rhone-Poulenc Chimie Procédé de purification de tensio-actifs amphotères par électrodialyse
JPH0912521A (ja) * 1995-06-26 1997-01-14 Kao Corp 淡色化アミドアミノ酸又はベタインの製造法
WO1997012856A1 (fr) * 1995-09-29 1997-04-10 Henkel Kommanditgesellschaft Auf Aktien Procede de production de tensio-actifs betainiques a faible teneur en sel
EP1016650A1 (fr) * 1998-12-28 2000-07-05 Kao Corporation Procédé pour la préparation de mélanges d'esters alkyles de betaines

Non-Patent Citations (1)

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Title
DATABASE WPI Section Ch Week 199712, Derwent World Patents Index; Class D25, AN 1997-128695, XP002187950 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11214763B2 (en) 2018-01-26 2022-01-04 Ecolab Usa Inc. Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a carrier
US11377628B2 (en) 2018-01-26 2022-07-05 Ecolab Usa Inc. Solidifying liquid anionic surfactants
US11655436B2 (en) 2018-01-26 2023-05-23 Ecolab Usa Inc. Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a binder and optional carrier
US11834628B2 (en) 2018-01-26 2023-12-05 Ecolab Usa Inc. Solidifying liquid anionic surfactants
US11976255B2 (en) 2018-01-26 2024-05-07 Ecolab Usa Inc. Solidifying liquid amine oxide, betaine, and/or sultaine surfactants with a binder and optional carrier

Also Published As

Publication number Publication date
AU2002218165A1 (en) 2002-03-26
CN1458920A (zh) 2003-11-26
HUP0302088A2 (hu) 2003-09-29
AR030719A1 (es) 2003-09-03
EA200300378A1 (ru) 2003-08-28
CA2422332A1 (fr) 2002-03-21
PL362351A1 (en) 2004-10-18
MXPA03002197A (es) 2004-03-18
HUP0302088A3 (en) 2003-11-28
JP2004509180A (ja) 2004-03-25
US20040029766A1 (en) 2004-02-12
EA004124B1 (ru) 2003-12-25
KR20030059142A (ko) 2003-07-07
EP1335896A1 (fr) 2003-08-20

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